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- research-articleJuly 2024
Analysis of the Stability and Chaotic Dynamics of an Ecological Model
- Daniel Oro,
- Muhammad Aqib Abbasi,
- Qamar Din,
- Olayan Albalawi,
- Rizwan Niaz,
- Mohammed Ahmed Alomair,
- Abdullah Mohammed Alomair
Modelling has become an eminent tool in the study of ecological systems. Ecological modelling can help implement sustainable development, mathematical models, and system analysis that explain how ecological processes can promote the sustainable management ...
- research-articleJune 2024
Investigating Global Stability and Bifurcation in an Ecological Dynamical System
We consider a continuous-time model describing the interaction between phytoplankton and zooplankton using a Holling type-II response. We then transform this continuous-time model into a discrete-time counterpart using a fractional-order discretization ...
- research-articleJanuary 2023
A New Comprehensive Framework for Identifying and Monitoring the Interseasonal Characteristics of Meteorological Drought
- Jordi Duch,
- Hamza Amin,
- Rizwan Niaz,
- Nafisa A. Albasheir,
- Fuad S. Al-Duais,
- Mohammed M. A. Almazah,
- A. Y. Al-Rezami
The current study aimed to examine the interseasonal characteristics of meteorological drought. For this purpose, a new comprehensive framework is proposed. The framework consists of two major stages. In the first stage of the framework, the K-means ...
- research-articleJanuary 2022
Assessing the Probability of Drought Severity in a Homogeneous Region
- Qingyuan Zhu,
- Rizwan Niaz,
- Mohammed M. A. Almazah,
- Ijaz Hussain,
- Joao Dehon Pontes Filho,
- Nadhir Al-Ansari,
- Saad Sh Sammen
The standardized precipitation index (SPI) is one of the most widely used indices for characterizing and monitoring drought in various regions. SPI's applicability has regional and time-scale constraints when it observes in several homogeneous climatic ...
- research-articleJanuary 2022
Characterization of Meteorological Drought Using Monte Carlo Feature Selection and Steady-State Probabilities
- Haitham Abdulmohsin Afan,
- Rizwan Niaz,
- Fahad Tanveer,
- Mohammed M. A. Almazah,
- Ijaz Hussain,
- Soliman Alkhatib,
- A.Y. Al-Razami
Drought is a creeping phenomenon that slowly holds an area over time and can be continued for many years. The impacts of drought occurrences can affect communities and environments worldwide in several ways. Thus, assessment and monitoring of drought ...
- research-articleJanuary 2021
Prediction for Various Drought Classes Using Spatiotemporal Categorical Sequences
Drought frequently spreads across large spatial and time scales and is more complicated than other natural disasters that can damage economic and other natural resources worldwide. However, improved drought monitoring and forecasting techniques can help ...
- research-articleJanuary 2021
Logistic Regression Analysis for Spatial Patterns of Drought Persistence
Drought is one of the natural hazards with potentially significant impacts on society, economy, and other natural resources over the globe. However, the understanding of drought characteristics and its persistence can significantly help to reduce the ...